Millionaire calculator

When will you become a millionaire?

This calculator indicates how long it will take you to become a millionaire.



Starting balance (£)

Monthly deposit (£)
* Average rate of return on investment (%)
* Average annual inflation rate (%)
Final amount desired (£)





You will reach your goal in

In today's £s, because of inflation, the final amount is worth (£)


If you take the capital of
and invest at rate of return of (%)
This will provide monthly income before tax of
or, an annual income before tax of
You may change the rate of return as required Note: Inflation is currently low, choose whatever rate you wish, but we think 3% is fair as an average



* 3% is a (fairly) high rate of return. Inflation, as measured by the Retail Price Index is currently less than 4%. You may change the rate of inflation and the rate of return to tailor these to your view of the rates over the number of years you select. We suggest rates between 3% and 5%. Similarly the £1m is our default wealth target, do change to whatever final target you select. Further information on savings.